If you could find out something that anyone hasnt found out already, what would it be?

Question: If you could find out something that anyone hasnt found out already, what would it be?
- Keywords:
  achievement,
  experiment,
  invention
Asked by yafghani to Deepak on 7 Mar 2014.
- Deepak Kar answered on 7 Mar 2014:
  
  If I knew what it is, I would have found it out by now 😉
  
  No seriously, it is most fun trying to explore the unknown.

Question: If you could find out something that anyone hasnt found out already, what would it be?